S
M
T
W
T
F
S
30
83°
57°
31
78°
56°
1
77°
59°
2
78°
56°
3
77°
55°
4
78°
58°
5
78°
60°
6
80°
61°
7
83°
60°
8
79°
59°
9
76°
59°
10
83°
53°
11
76°
52°
12
76°
52°
13
77°
53°
14
76°
58°
15
82°
58°
16
82°
59°
17
81°
57°
18
80°
50°
19
76°
48°
20
73°
50°
21
72°
55°
22
74°
54°
23
79°
55°
24
78°
56°
25
79°
48°
26
78°
45°
27
71°
47°
28
68°
46°
29
69°
46°
30
68°
45°
1
Hist. Avg.
72°
49°
2
Hist. Avg.
71°
48°
3
Hist. Avg.
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kentucky
Kentucky's September 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 45° and 61°. The average high for September is 77° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Kentucky. See also: October | November | December.
